OG90
Course Contents
Module 1: Drilling Engineering and Well Planning Basics
Key Topics
- Role of drilling engineering in well construction
- Exploration, appraisal and development well objectives
- Well planning workflow and key design inputs
- Subsurface data, pore pressure and fracture gradient
- Well trajectory, targets and casing point selection
- Drilling programme structure and operational sequence
- HSE, environmental and regulatory planning requirements
Module 2: Rig Systems, Drillstring and Drilling Equipment
Key Topics
- Land rigs, offshore rigs and major rig components
- Hoisting, rotating, circulating and power systems
- Drillstring components and bottom-hole assembly basics
- Drill collars, stabilisers, jars, subs and heavy-weight pipe
- Drill bit types, selection and performance indicators
- Drilling parameters: WOB, RPM, torque and flow rate
- Rig-site roles, reporting and communication practices
Module 3: Drilling Fluids, Hydraulics and Hole Cleaning
Key Topics
- Drilling fluid functions and basic mud systems
- Mud weight, rheology, filtration and solids content
- Water-based, oil-based and synthetic mud applications
- Hydraulics, pressure losses and equivalent circulating density
- Hole cleaning in vertical, deviated and horizontal wells
- Solids control equipment and mud-property maintenance
- Lost circulation, stuck pipe and wellbore instability basics
Module 4: Casing, Cementing and Well Integrity
Key Topics
- Casing functions, types and design considerations
- Conductor, surface, intermediate, production and liner strings
- Burst, collapse, tension and safety-factor concepts
- Cementing objectives, slurry types and placement methods
- Primary cementing, remedial cementing and zonal isolation
- Well barriers, pressure testing and integrity verification
- Common casing and cementing problems and prevention
Module 5: Well Control, Drilling Problems and Optimisation
Key Topics
- Formation pressure, kicks and influx detection
- Blowout preventer equipment and well shut-in basics
- Primary and secondary well control principles
- Directional drilling, MWD/LWD and survey basics
- Managing torque, drag, vibration and drilling dysfunction
- Drilling optimisation, NPT reduction and lessons learned